The value of 5 in 5000 is 10 times the value of 5 in 500.
C(h)=80h+210
80h+210=490 subtract 210 from both sides
80h=280 divide both sides by 80
h=3.5 hours
Answer:
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Answer:
D = 3 cm
Step-by-step explanation:
Given that,
The circumference of a circle is 9.45cm.
We need to find the length of the diameter.
The formula for the circumference of a circle is given by :

We know that, Diameter = 2r
So,

So, the length of diameter is equal to 3 cm.